This week in children's apps features Dr. Seuss's If I Ran the Zoo, which takes players on a globe-trotting search for the world's strangest animals. Also this week is The Pirate Koostoe, which follows Young Koostoe's quest to become a pirate. And So You Were Born tells players how much love there is for them in the world and teaches them to return that love. And finally, Goodnight Safari is an interactive tale that also works as a bedtime story.

Title: If I Ran the Zoo

Publisher: Oceanhouse Media

Release date: January 11, 2012

Price: $2.99

Background: The story from the world of Dr. Seuss follows young Gerald, not impressed by the animals at the zoo, conjures up plans for "New Zoo, McGrew Zoo." Players join him on a globe-trotting safari in search of the world's most unusual creatures, such as the Fizza-ma-Wizza-ma-Dill.

Features: Professional narration, background audio and enlarged artwork for each scene, read to me, read it myself and auto play modes.

Title: The Pirate Koostoe

Publisher: National Network of Digital Schools Corp.

Release date: December 20, 2011

Price: $2.99

Background: Young Koostoe is a little Midlandian with a big dream: he wants to be a pirate. While things don't work out as planned, Koostoe learns that he doesn't have to be a pirate to find treasure all around him.

Features: Custom music, audio, and special effects. Each word is highlighted as it is read. Read to me, read to myself, and auto play modes.

Title: And So You Were Born

Publisher: Mona Parsa

Release date: January 5, 2012

Price: $3.99

Background: Designed to tell players how much love there is in the world for them and to teach them the purpose of spreading that love in return; lessons with intercultural images and a relevant short quote from major faith traditions are included.

Features: Parents can record a video of themselves for the child to play later, provide players' details including name and birthday and names of loved ones for insertion in the text, accelerometer offers the reader opportunity to cause stars to fall and move with tilting the device, memory matching games, puzzles, and coloring.

Title: Goodnight Safari

Publisher: Polk Street Press

Release date: January 11, 2012

Price: $1.99

Background: Children help the giraffe eat her dinner, the monkey climb to bed, and the elephant kiss goodnight.

Features: Simple vocabulary and interactivity to engage children while also preparing them to go to sleep. Pick a page menu, read along or read alone settings, original artwork by Luciana Navarro Powell.